original_kernel/fs/proc/cpuinfo.c

32 lines
698 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/cpufreq.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
__weak void arch_freq_prepare_all(void)
{
}
extern const struct seq_operations cpuinfo_op;
static int cpuinfo_open(struct inode *inode, struct file *file)
{
arch_freq_prepare_all();
return seq_open(file, &cpuinfo_op);
}
static const struct file_operations proc_cpuinfo_operations = {
.open = cpuinfo_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int __init proc_cpuinfo_init(void)
{
proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
return 0;
}
fs_initcall(proc_cpuinfo_init);